共 36 条
[2]
BISHOP J, 1989, 21 WORLD BANK ENV
[3]
BOSMA R, 1996, ELEVAGE VOIE INTENSI
[4]
*CMDT, 2002, IMP PROGR MAINT POT
[5]
*CMDT, 1995, PROGR DET PROP PROGR
[6]
*CMDT, 2003, ANN STAT 02 03 RES E
[7]
DEGRAAFF J, 1996, THESIS WAGENINGEN AG
[8]
DEGRAAFF J, 2002, P 3 INT C EUR SOC SO
[9]
Gebremedhin B, 2003, AGR ECON, V29, P69, DOI [10.1111/j.1574-0862.2003.tb00148.x, 10.1016/S0169-5150(03)00022-7]
[10]
GIRAUDY F, 1996, ENQUETE TECHNIQUES M